Below are Links to some useful resources

EV Home Charge Scheme

Electric vehicle home charge scheme guidance for customers
Approved Installer certificate

Workplace charge scheme

Guidance document for applicants
Approved installer certificate
Office for Low Emission Vehicles

Cable Types

Type 1 cables are used to connect most European, Japanese and American Electric Cars including the best selling Nissan Leaf and Van, Mitsubishi Outlander PHEV, Renault Zoe and Kangoo, Toyota Prius Plug-in, Vauxhall Ampera.

Type 2 cables are used to connect Tesla and the German EV manufactures including the BMW i3, i8, VW e-Golf, Audi A3 e-Tron, Porsche Panamera PHEV

Tethered or Untethered

Tethered units have the charging lead permanently attached to the charger - These leads are specific to the type of charge point your car has either Type 1 or 2

Untethered units allow you to plug either a Type 1 or Type 2 cable into your charger

Rolec website


MCB - miniture circuit breaker. A safety device that trips and disconnects power on overload or a short circuit

RCD - Residual Current device. A safety device that trips and disconnects power when there's a leakage of current to earth on any of the circuits it protects.

RCBO -A Residual Current Breaker with Overload Protection.
‚ÄčIt combines the functions of an MCB and an RCD in one module.

TT, TNS, TNCS. Types of earthing arrangement.

Earth Pit. An enclosure housing a copper rod driven into the ground creating a safe route for fault current to flow through if the live wire touches any metal

Consumer Unit - It is where the electricity in your home is controlled and distributed

Granny Cable - This is via a 3 pin wall socket and most EVs have a 3 pin charger with the vehicle. This charges at 10 AMPs only.